AXIOMUNC500 Silkscreen Legend

communication port on the PC. Controller number 1 is designated the master controller 

and may be connected to the PC using serial or TCP/IP communications. The remaining 

controllers are referred to as slaves and can only communicate to the PC through the 

master unit.

NCNET (Controller Network)

UNC500 controller can only be connected to NC-100 controller if the Arcnet option has 

been added [C-Net]. To get the Arcnet to function you need to set jumpers JP5, JP6, & 

JP7 to „A‟ (for Arcnet), and configure CH3 in the Telnet setup to be „none‟.

 When combining UNC500s and NC100s; connect CH2 of the previous panel and CH1 of 

the next panel to CH3 (C-NET) of the UNC500. Since the C-Net is a loop; the previous 

panel to the first panel is the last panel, and the next panel from the last panel is the first 

panel.

NCNET Cable

Use 20 to 22 AWG shielded stranded twisted pair cable for all C-NET connections.

NCNET Maximum Cable Length

The maximum distance for any link in the C-NET is 2500 feet (760 meters) and the total 

length cannot exceed 10000 feet (3000 meters).

D-NET Device Network

Up to four RC-2 reader controllers, and up to sixteen IOC-16 input/output controllers, 

may be connected to each network controller in the C-NET using high speed RS485 

communications.

NURC2000 may also be used in place of RC-2 panels.

The D-NET connects IOC-16, RC-2, SafeSuite™ panels, PC-100, NRC2000, and 

NURC2000 devices in a daisy chain fashion (parallel connection) to the network

controller. Device controllers do not have to be addressed sequentially. However, using 

sequential device controller addressing is recommended as this makes your cabling 

diagrams easier to follow and simplifies troubleshooting as the devices are in the correct 

numerical sequence.